Delton has chilly, snowy winters and pleasant summers
A typical July afternoon reaches 83°, a January night drops to 16°, and about 68 inches of snow falls in a normal winter.
A year in Delton at a glance
Each month’s typical high and low, and what it brings.
What stands out about Delton’s climate
Read from where Delton sits among Michigan’s towns. The page puts what stands out first.
68 inches of snow, 38 of rain and melt
May is the wettest month and February the driest. Rain or snow falls on about 149 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Warmer than it used to be
The last 30 years in Delton averaged 1.3° warmer than the 1900s. The biggest change is in December (+2.8°).
A bigger shift than in 54% of U.S. towns.
Change by month
About 158 frost-free days a year
In half of years the last 32° night comes by May 3 and the first by October 12.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
What a year in Delton feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Living with Delton’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
158 frost-free days. The last frost comes by May 3 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 12.
About 68" a winter over 24 days with an inch or more, most in January. Snow covers the ground about 71 days a year.
Months averaging under 55° run from October through April. Heating is 93% of the year’s heating-and-cooling load.
About 10 days a year reach 90°, and July afternoons average 83°.
The nicest months are May, June, July, August and September. 0.6 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Delton and its neighbors
Barry has the coldest January nights next door (16°) and Barry the hottest July afternoons (83°). Tap a town to see its climate.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
How Delton compares
Against every U.S. town on TownTapestry, each counted once, with its place in Michigan.
Delton weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 31° | 16° | 2.5" | 21.5" | 16 | 24 | 15° – 34° |
| February | 34° | 18° | 1.9" | 15.3" | 12 | 20 | 13° – 35° |
| March | 45° | 26° | 2.2" | 7.2" | 12 | 9 | 26° – 50° |
| April | 58° | 36° | 3.5" | 2.1" | 13 | 1 | 40° – 53° |
| May | 70° | 47° | 4.3" | 0 | 13 | 0 | 50° – 64° |
| June | 79° | 57° | 3.9" | 0 | 12 | 0 | 63° – 72° |
| July | 83° | 60° | 3.6" | 0 | 9 | 0 | 66° – 77° |
| August | 80° | 59° | 3.7" | 0 | 11 | 0 | 64° – 75° |
| September | 74° | 51° | 3.2" | 0 | 10 | 0 | 56° – 66° |
| October | 61° | 41° | 3.7" | 0.3" | 13 | 0 | 47° – 57° |
| November | 47° | 31° | 2.8" | 5.4" | 13 | 3 | 31° – 46° |
| December | 36° | 22° | 2.3" | 16.2" | 15 | 15 | 17° – 39° |
| Year | 58° | 39° | 37.7" | 68.0" | 149 | 71 |
Heating and cooling a home in Delton
93% of the work is heating, so the furnace matters far more than the air conditioner.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 26° to 50°. June is the most reliable, staying within 9°.
Common questions about Delton’s climate
What is the coldest month in Delton?
January, with a typical high of 31° and a low of 16°.
What is the hottest month in Delton?
July, with a typical high of 83° and a low of 60°. About 10 days a year reach 90°.
How much snow does Delton get?
About 68 inches in a normal winter, most of it in January.
When is the first frost in Delton?
In half of years the first 32° night comes by October 12, and the last spring frost by May 3.
What is the rainiest month in Delton?
May, with 4.3 inches of rain and melted snow. The year totals 38 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Delton.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Delton itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Hastings, MI (12 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.